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Silica Gel

Silica Gel

Silica gel is a spherical bead consisting of 97-100% silica. It is available in two types:
1. Indicating, a translucent bead impregnated with blue color and
2. Non-indicating white translucent color.

Sorbead R is an alumina-silicate, although it is listed in the silica gel section it is not truly a silica gel. Sorbead R is designed to perform in difficult environments and provide a higher service life than white silica gel. It is sometimes referred to as brown silica gel.

service-detail-1

Since silica gel fractures in the presence of liquid water, it must be protected by a 10% to 15% (by weight) layer of activated alumina as a water buffer on the inlet side of the desiccant bed.

Dew points of -40 F and lower may be achieved with silica gel depending on dryer design and operating conditions.

FEATURES & BENEFITS:

  • High moisture retention capacity under dynamic conditions: Used in some heated type regenerative dryers. Under dynamic conditions, a higher design capacity rating and lower regeneration temperature can be used.
  • Uniform bead shape: This shape provides lower pressure drop and less abrasion than granular types. Smooth beads also pack uniformly to minimize channeling.
  • Provides visual check of desiccant condition (indicating type only): Beads are impregnated with a moisture indicator. The color changes from blue to pink or yellow to green as moisture is adsorbed.

PRODUCT SPECIFICATIONS :

Non indicating Indicating
Color and form White bead Sorbead Blue bead
Size 2-5 mm (1/8") 3-5 mm(1/8") 3-5 mm(1/8")
Bulk density 45 lbs/ft3 50 lbs/ft3 45 lbs/ft3